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Temperature and Pressure Dependence of the Effective Thermal Conductivity of Geomaterials: Numerical Investigation by the Immersed Interface Method

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  • Duc Phi Do
  • Dashnor Hoxha

Abstract

The present work aims to study the nonlinear effective thermal conductivity of heterogeneous composite-like geomaterials by using a numerical approach based on the immersed interface method (IIM). This method is particularly efficient at solving the diffusion problem in domains containing inner boundaries in the form of perfect or imperfect interfaces between constituents. In this paper, this numerical procedure is extended in the framework of non linear behavior of constituents and interfaces. The performance of the developed tool is then demonstrated through the studies of temperature- and pressure-dependent effective thermal conductivity of geomaterials with imperfect interfaces.

Suggested Citation

  • Duc Phi Do & Dashnor Hoxha, 2013. "Temperature and Pressure Dependence of the Effective Thermal Conductivity of Geomaterials: Numerical Investigation by the Immersed Interface Method," Journal of Applied Mathematics, Hindawi, vol. 2013, pages 1-13, July.
    • Handle: RePEc:hin:jnljam:456931
    DOI: 10.1155/2013/456931
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